Re: Does reduceByKey only work properly for numeric keys?

2015-04-18 Thread Ted Yu
Can you show us the function you passed to reduceByKey() ? What release of Spark are you using ? Cheers On Sat, Apr 18, 2015 at 8:17 AM, SecondDatke lovejay-lovemu...@outlook.com wrote: I'm trying to solve a Word-Count like problem, the difference lies in that, I need the count of a specific

Does reduceByKey only work properly for numeric keys?

2015-04-18 Thread SecondDatke
I'm trying to solve a Word-Count like problem, the difference lies in that, I need the count of a specific word among a specific timespan in a social message stream. My data is in the format of (time, message), and I transformed (flatMap etc.) it into a series of (time, word_id), the time is

Re: Does reduceByKey only work properly for numeric keys?

2015-04-18 Thread Sean Owen
Do these datetime objects implement a the notion of equality you'd expect? (This may be a dumb question; I'm thinking of the equivalent of equals() / hashCode() from the Java world.) On Sat, Apr 18, 2015 at 4:17 PM, SecondDatke lovejay-lovemu...@outlook.com wrote: I'm trying to solve a

RE: Does reduceByKey only work properly for numeric keys?

2015-04-18 Thread SecondDatke
in Python, they're same. And as I said, I also tried using String as the key, which also failed. From: so...@cloudera.com Date: Sat, 18 Apr 2015 16:30:59 +0100 Subject: Re: Does reduceByKey only work properly for numeric keys? To: lovejay-lovemu...@outlook.com CC: user@spark.apache.org Do

RE: Does reduceByKey only work properly for numeric keys?

2015-04-18 Thread SecondDatke
keys makes sense. Maybe I should update my system. Date: Sat, 18 Apr 2015 08:28:50 -0700 Subject: Re: Does reduceByKey only work properly for numeric keys? From: yuzhih...@gmail.com To: lovejay-lovemu...@outlook.com CC: user@spark.apache.org Can you show us the function you passed to reduceByKey

RE: Does reduceByKey only work properly for numeric keys?

2015-04-18 Thread SecondDatke
the duplicate keys in the result with == operator, and hashing them in Python, they're same. And as I said, I also tried using String as the key, which also failed. From: so...@cloudera.com Date: Sat, 18 Apr 2015 16:30:59 +0100 Subject: Re: Does reduceByKey only work properly for numeric keys

Re: Does reduceByKey only work properly for numeric keys?

2015-04-18 Thread Ted Yu
I should update my system. -- Date: Sat, 18 Apr 2015 08:28:50 -0700 Subject: Re: Does reduceByKey only work properly for numeric keys? From: yuzhih...@gmail.com To: lovejay-lovemu...@outlook.com CC: user@spark.apache.org Can you show us the function you passed